12213243124 has 24 divisors (see below), whose sum is σ = 21980729120. Its totient is φ = 5933484576.

The previous prime is 12213243109. The next prime is 12213243127. The reversal of 12213243124 is 42134231221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213243127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53539 + ... + 165205.

Almost surely, 2^12213243124 is an apocalyptic number.

It is an amenable number.

12213243124 is a deficient number, since it is larger than the sum of its proper divisors (9767485996).

12213243124 is a wasteful number, since it uses less digits than its factorization.

12213243124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112447 (or 112445 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

Adding to 12213243124 its reverse (42134231221), we get a palindrome (54347474345).

The spelling of 12213243124 in words is "twelve billion, two hundred thirteen million, two hundred forty-three thousand, one hundred twenty-four".